Home / 528,696,532.06-729,620,904.58-317,037,822.71

Finding the Fourth Proportional to 528,696,532.06, 729,620,904.58 and 317,037,822.71

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Solution

The fourth proportional to 528,696,532.06, 729,620,904.58 and 317,037,822.71 is: 437,524,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,696,532.06 : 729,620,904.58 = 317,037,822.71 : x
  2. Step 2: Convert to fraction form
    528,696,532.06/729,620,904.58 = 317,037,822.71/x
  3. Step 3: Cross multiply
    528,696,532.06x = 729,620,904.58 × 317,037,822.71
  4. Step 4: Simplify right side
    528,696,532.06x = 231,317,422,987,303,136
  5. Step 5: Solve for x
    x = 231,317,422,987,303,136/528,696,532.06
  6. Step 6: Final answer
    x = 437,524,002.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.